Rotary anti-needling syringe

The invention relates to a rotary anti-needling syringe which comprises a dosing assembly, a protective cap, an elastic piece, a rotary clamp, an inner shell and an outer shell. The inner shell is locked through rotation of the rotating clamp, the rotating clamp and the upper clamping groove are locked during use, the main effect is to prevent an injection needle from moving forwards for the second time in the use process, and the second pain of a patient is relieved; after use, the rotating clamp is rotated for unlocking, the inner shell drives the dosing assembly to move upwards, then the rotating clamp and the lower clamping groove are locked, the locking effect of the rotating clamp and the inner shell is good, and the main effect is to prevent the situation that an injection needle is exposed, medical staff and recovery staff are punctured, and then pathogenic bacterium infection is caused, and pathogenic bacterium diffusion is prevented. 本发明涉及一种转动式防针刺注射器，包括给药组件、护帽、弹性件、转动卡、内壳体和外壳体。本发明通过转动卡的转动实现对内壳体的锁死，在使